4 Weapons Conditions: M16A4 Service Rifle

Condition 4: Weapon on safe, magazine removed, bolt forward, chamber empty, ejection port cover closed
Condition 3: Weapon on safe, magazine inserted, bolt forward, chamber empty, ejection port cover closed
Condition 2: Condition 2 does not apply to the M16A4 service rifle
Condition 1: Weapon on safe, magazine inserted, bolt forward, round in chamber, ejection port cover closed